This airborne or shipborne geophysical survey recorded the following parameters: Total Field Magnetic. The flight line spacing is 4000 m for a total of 24000 kilometres. The survey was flown between 1989-01-01 and 1991-12-31. The data were Digitally acquired. Platform: Fixed-wing.

This airborne or shipborne geophysical survey recorded the following parameters: Total Field Magnetic. The flight line spacing is 2000 m for a total of 66762 kilometres. The survey was flown between 1985-03-16 and 1985-06-12. The data were Digitally acquired. Platform: Fixed-wing.

This airborne or shipborne geophysical survey recorded the following parameters: Total Field Magnetic. The flight line spacing is 2000 m for a total of 15238 kilometres. The survey was flown between 1985-03-16 and 1985-06-12. The data were Digitally acquired. Platform: Fixed-wing.

This airborne or shipborne geophysical survey recorded the following parameters: Total Field Magnetic. The flight line spacing is 1609 m. The survey was flown between 1962-05-01 and 1962-06-30. The data were Digitized from contour maps. Platform: Fixed-wing.

This airborne or shipborne geophysical survey recorded the following parameters: Total Field Magnetic. The flight line spacing is 2960 m for a total of 30000 kilometres. The survey was flown between 1997-01-01 and 1997-12-31. The data were Digitally acquired. Platform: Fixed-wing.

This collection is a legacy product that is no longer supported. The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political boundaries, hydrography, bathymetry, sea ice and...

Canada3D is a digital elevation model (DEM) produced by the Canadian Forestry Service, Ontario region. The DEM consists of an ordered array of ground elevations providing coverage of the Canadian landmass. It has been derived from the cells of the Canadian Digital Elevation Data (CDED) at the...